The arm in the figure below weighs 42.0 N. L2 .i g The force of gravity acting on the arm acts through point A. Assume that L1 = 0.0770m, L2 = 0.320m and a = 11.2 . Determine the magnitude of the tension force Ft in the deltoid muscle. SubmitAnswer Tries 0/ 10 Determine the magnitude of the tension force Fs of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown. Submit Answer Tries 0/10 Determine the angle of tension force Fs relative to the X-axis. SubmitAnswer Tries 0/ 10